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文字

HTTP 301 Moved Permanently重定向状态响应代码指示所请求的资源已明确移动到Location标题给定的URL 。浏览器重定向到这个页面,搜索引擎更新它们到资源的链接(在 SEO 中,据说链接汁被发送到新的 URL)。

即使规范要求方法和主体在执行重定向时不会被更改,但并非所有的用户代理都与它一致,并且您仍然可以在那里找到有问题的软件。因此,建议301代码仅作为响应GETHEAD方法,并使用308 Permanent Redirect代替方法,因为方法更改在此状态下被明确禁止。

状态

301 Moved Permanently

规范

规范

标题

RFC 7231,第6.4.2节:301永久重定向

超文本传输协议(HTTP / 1.1):语义和内容

浏览器兼容性

Feature

Chrome

Edge

Firefox

Internet Explorer

Opera

Safari

Basic Support

(Yes)

(Yes)

(Yes)

(Yes)

(Yes)

(Yes)

Feature

Android

Chrome for Android

Edge mobile

Firefox for Android

IE mobile

Opera Android

iOS Safari

Basic Support

(Yes)

(Yes)

(Yes)

(Yes)

(Yes)

(Yes)

(Yes)

也可以看看

  • 308 Permanent Redirect

  • 302 Found, the temporary redirect

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